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Zubin Master

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05 Sep 2010 Viewer3D MIP, Color, Slice and Shaded 3D (shearwarp) Volume Rendering, interactive 3D view/measurement GUI Author: Dirk-Jan Kroon

Hey Dirk,

This is a great tool. I've actually been struggling to find some code to visualize CT/MRI data from different angles as MIPs. I could only manage it from the orthogonal angles (couldn't figure out what algorithm to use for rendering from arbitrary angles). This implements it really well.

I was wondering what algorithm would be needed to render the MIP with perspective instead of an orthographic projection. We use these MIP images (Digitally Reconstructed Radiographs or DRRs) when planning radiation therapy treatments and they're usually displayed with perspective to simulate the distance between the radiation source and the patient.

Another poster also mentioned something about simulating DRRs. I was wondering if you could guide me to the algorithm
that I would need to look up to do this.

Thanks,

Zubin.

Another poster mentioned something about rendering your views as DRRs.

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